18673660

素因数分解:

$2^2\times 5^1\times {\mathrm{827}}^1\times {\mathrm{1129}}^1$

素因数の和:1965

約数の個数: 24

約数和(自身を含む): 39296880

約数和(自身を除く): 20623220

約数列:

[1, 2, 4, 5, 10, 20, 827, 1129, 1654, 2258, 3308, 4135, 4516, 5645, 8270, 11290, 16540, 22580, 933683, 1867366, 3734732, 4668415, 9336830, 18673660]

約数ペア:

[(1, 18673660), (2, 9336830), (4, 4668415), (5, 3734732), (10, 1867366), (20, 933683), (827, 22580), (1129, 16540), (1654, 11290), (2258, 8270), (3308, 5645), (4135, 4516)]